Answer:
Purchase of Alaska. But Seward had wanted to buy Alaska for a long time. Alaska is so large that the addition of this land would increase the size of the U.S. by nearly 20 percent. so a.
Explanation:
To help discourage Soviet communist expansion, the United States built more atomic weaponry, The arms race has produced waste from such sources as the reactors that make the plutonium and tritium, the tailings from uranium mining, and other by-products from the nuclear weapons development process. As more nuclear weapons are removed, the safe storage of their warheads becomes increasingly more urgent
The Third Amendment to the United States Constitution places restrictions on the quartering of soldiers in private homes without the owner's consent, forbidding the practice in peacetime.
